Merkel Radiamatic R35 Sealing with spring Merkel Radiamatic R35 Sealing with spring - Cross section

Product Name

Merkel Radiamatic R35 Sealing with spring

Pressure

Up to 0.05 MPa (standard rotary shaft applications)

Speed

≤ 12 m/s

Material

NBR (Nitrile Rubber), FKM (Viton®), PTFE (custom available)

Application

Gearboxes, pumps, motors, agricultural and industrial machinery

Product Name R35 Seal – Compatible Replacement for Radiamatic R35
OEM Reference Radiamatic R35 (for cross-reference only)
Outer Case Fully rubber-covered case
Lip Design Single sealing lip with garter spring
Temperature Range NBR: -30°C to +100°C
FKM: -20°C to +200°C
PTFE: -60°C to +260°C
Hardness (Shore A) 70 – 90 (depending on elastomer compound)
Sealing Performance Excellent oil resistance and sealing on rough or corroded housing surfaces
Advantages Fully compatible with Radiamatic R35, better static sealing on rough housings, cost-effective alternative

R35 → Rubber-covered case + single lip → Best for housings with rough surface, good static sealing.

R37 → Metal case (with rubber coating) + dual lip (oil + dust lip) → Better for contaminated environments (dust, mud, water).

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